Re: [PATCH] fix segv with corrupt tag object

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Stefan Sperling <stsp@xxxxxxxxx> writes:

> The root cause of this bug seems to be that the valid assumption
> that obj->parsed implies a successfully parsed object is broken by
> parse_tag_buffer() because this function sets the 'parsed' flag even
> if errors occur during parsing.

I am mildly negative about that approach.  obj->parsed is about
"we've done all we need to do to attempt parsing this object" (so
that next person who gets hold of the object knows that fact---one
of the reasons why may be that the caller who wants to ensure that
the fields are ready to be accessed does not have to spend extra
cycles, but that is not the only one).  Those that want to look at
various fields in the object (e.g. the tagged object of a tag, the
tagger identity of a tag, etc.) should be prepared to see and react
to NULL in there so that they can gracefully handle "slightly"
corrupt objects.




[Index of Archives]     [Linux Kernel Development]     [Gcc Help]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [V4L]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]     [Fedora Users]

  Powered by Linux